ASTM E123-2002(2018) 0625 Standard Specification for Apparatus for Determination of Water by Distillation《蒸馏法水分测定装置的标准规格》.pdf
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1、Designation: E123 02 (Reapproved 2018)Standard Specification forApparatus for Determination of Water by Distillation1This standard is issued under the fixed designation E123; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、 of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers apparatus used in Test MethodD95 and other similar ASTM test methods.1.2 This internatio
3、nal standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Commit
4、tee.2. Referenced Documents2.1 ASTM Standards:2D95 Test Method for Water in Petroleum Products andBituminous Materials by Distillation3. Apparatus Assembly3.1 Typical assemblies of the apparatus are shown in Fig. 1and Fig. 2. The glass flask has been generally used forpetroleum products, soaps, nava
5、l stores, etc., and the metal stillfor road materials and tars.4. Glass Flask4.1 The glass flask shall have nominal capacities of 500 mLor 1000 mL, as required, and shall be made of heat-resistantglass. Styles shall be as shown in Fig. 3 and Fig. 4 and as listedin the following table:Style Size, mL
6、Shape Top Finish FigureA 500 round with $joint Fig. 3B 500 round with $joint Fig. 3C 1000 round with $joint Fig. 3D 500 Erlenmeyer with $joint Fig. 45. Metal Still5.1 The metal still shall have an approximate capacity of1000 mL. It may be constructed of any suitable metal; butcopper is recommended f
7、or the vessel, and copper or brass forthe lid. Fig. 5 shows the essential dimensions and a satisfactoryconstruction of vessel head and clamp. Other means of closuremay be used that provide a tight seal of head to body.6. Heater6.1 Any suitable gas burner or electric heater may be usedwith the glass
8、still. With the metal still, a ring gas burner,having an inside diameter of 414 in. (108 mm) with holes in theinside periphery should be used.7. Condenser7.1 The condenser shall be a Liebig or West straight typewith a jacket not less than 400 mm long. Fig. 6 shows thegeneral construction of suitable
9、 condensers.8. Traps8.1 The traps shall be of 5-mL, 10-mL, and 25-mL capaci-ties. Six styles are provided as specified in Table 1 and shownin Figs. 7-11.9. Keywords9.1 apparatus; distillation1This specification is under the jurisdiction of ASTM Committee E41 onLaboratory Apparatus and is the direct
10、responsibility of Subcommittee E41.01 onLaboratory Ware and Supplies.Current edition approved Jan. 1, 2018. Published January 2018. Originallyapproved in 1956. Last previous edition approved in 2012 as E123 02(2012). DOI:10.1520/E0123-02R18.2For referenced ASTM standards, visit the ASTM website, www
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